Set output directory

.gitignore

@@ -1,2 +1,3 @@
 venv
-input
+input/*
+output/*

main.py

@@ -45,7 +45,7 @@ if __name__ == "__main__":
         sys.exit(1)
 
     output_name, markdown_text = convert_chat_html_to_markdown(input_html)
-    output_path = os.path.join(os.path.dirname(input_html), output_name)
+    output_path = os.path.join("output", output_name)
 
     with open(output_path, "w", encoding="utf-8") as f:
         f.write(markdown_text)